Your Vehicle
Subaru Forester 2.5 Turbo 230hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online + installation 350 € at the workshop (via the OBD port) Book now
Power HP
Torque Nm
Buy the Stage 1 file, pay the installation at the workshop
100 € VAT included: the file developed for your engine, paid online
Installation: 350 € network price, the workshop may charge less, paid at the chosen workshop (via the OBD port) · terms
Power Graph
Subaru Forester 2.5 Turbo 230hp: da 230 a 270HP
Remapping Subaru Forester
MasterTuning develops remapping for Subaru. La Subaru Forester 2.5 Turbo 230hp può passare da 230 HP a 270 HP con un incremento di 40 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Subaru Forester 2.5 Turbo 230hp
The Subaru Forester 2.5 Turbo 230hp is equipped with a petrol engine that produces 230 HP and 320 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Subaru can achieve 270 HP (+17%) and 380 Nm (+19%).
Our Stage 1 tuning for the Forester -> 2008 delivers an impressive gain of +40 HP and +60 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code EJ25S identifies this specific powerplant configuration. The Denso SH7058 / Denso GW ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 230 HP from factory, this Subaru Forester is already a performance vehicle. Our remapping extracts even more potential, delivering exhilarating acceleration and enhanced driving dynamics for enthusiasts who demand the best.
Technical Specifications — Subaru Forester 2.5 Turbo 230hp
Factory technical data for the Subaru Forester 2.5 Turbo 230hp (-> 2008), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | EJ25S |
|---|---|
| ECU / Control unit | Denso SH7058 / Denso GW |
| Fuel | Petrol |
| Compression ratio | 8.4 |
| Bore × stroke | 99.5 X 79.0 mm |
| Stock power | 230 HP · 320 Nm |
| Remapped power (Stage 1) | 270 HP (+40) · 380 Nm (+60) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Subaru Forester.
Frequently Asked Questions - Subaru Forester
How much power can I gain from remapping my Subaru Forester?
With MasterTuning Stage 1, your Subaru Forester 2.5 Turbo 230hp can gain +40 HP (from 230 to 270 HP) and +60 Nm of torque. This represents a 17% increase in power.
Which ECU does the Subaru Forester 2.5 Turbo 230hp use?
The Subaru Forester 2.5 Turbo 230hp uses the Denso SH7058 / Denso GW engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Subaru Forester 2.5 Turbo 230hp?
The engine code of the Subaru Forester 2.5 Turbo 230hp is EJ25S. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Subaru Forester engine?
Yes, MasterTuning's remapping for the Subaru Forester 2.5 Turbo 230hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the EJ25S engine.
Is the Subaru ECU remapping reversible?
Absolutely. The original factory calibration of your Subaru Forester is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Subaru warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
Other Remaps You Might Like
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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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